Yes, 4sight offers a free tier that gives you meaningful health tracking across all four pillars without paying anything. You can create an account, connect your devices, log your data, and start seeing how your health connects across Move, Rest, Fuel, and Rise. When you want deeper analysis, AI-powered insights, and advanced integrations, Premium is available with a free trial.
What the Free Tier Includes
The free version of 4sight is not a crippled demo. It is a fully functional health tracker that covers the fundamentals across all four wellness pillars:
- Tracking across all 4 pillars — Log and view data for Move (activity, exercise), Rest (sleep, recovery), Fuel (nutrition, hydration), and Rise (mood, mindfulness)
- Health Connect sync — Automatically pull data from any Health Connect-compatible app or device on Android, including Garmin, Whoop, Oura Ring, Google Fit, and more
- Apple HealthKit sync — Automatically pull data from Apple Watch and any HealthKit-compatible app on iOS
- Manual logging — Record meals, mood, water intake, workouts, sleep, and more directly in the app
- Daily reminders — Configurable notifications to help you build consistent logging habits
- Standard dashboards — View your daily scores, pillar breakdowns, and basic charts in the mobile app
- 4Sight Score — Your composite daily wellness score across all four pillars
- Dream journal — Log and track your dreams over time
- Breathing exercises — Five guided breathing patterns for relaxation and stress relief
- Flow state timer — Track deep work sessions with automatic phase detection
For many people, the free tier provides everything they need to build awareness of their daily health habits and start making connections between different aspects of their wellness.
What Premium Adds
4sight Premium unlocks the full power of the platform. It is designed for people who want AI-driven analysis, more data sources, and richer visualization tools. Premium includes everything in the free tier, plus:
- Galen AI chat — A conversational AI health assistant that answers natural-language questions about your health data, surfaces trends, and finds correlations you would miss on your own
- AI Insights — Proactive notifications when the system detects meaningful patterns in your data
- Fitbit sync — Direct OAuth integration with Fitbit for automatic data import
- CSV imports — Import historical data from LoseIt, RingConn, smart scales (Renpho, Yunmai, Fitbit Aria), and blood work/lab results
- Web dashboards — Over 100 interactive analytics panels across 15 subcategory tabs at 4sight.fit, including scatter plots, streamgraphs, heatmaps, and radar charts
- Advanced analytics — Deeper trend analysis, comparison views, and correlation matrices
- Food search — Access to a database of 400 million+ foods via Open Food Facts with barcode scanning
- Data export — Download your data in CSV, PDF, or JSON format
- Time Machine — Review and explore your health data from any past date
- Caffeine clearance timer — Track when caffeine clears your system based on a 5.5-hour half-life model
- Strava integration — Sync workout data from Strava
- LoseIt API sync — Real-time nutrition data from LoseIt
Premium Pricing
4sight Premium is available at inaugural launch pricing:
- Monthly: $7.99/month (regular price $9.99/month)
- Annual: $79.99/year (regular price $99.99/year) — saves you over 16% compared to monthly billing
Payment is processed through the App Store on iOS, Google Play on Android, or Stripe on the web.
Free Trial
Every new Premium subscription starts with a free trial so you can explore all Premium features before committing:
- Monthly plans: 7-day free trial
- Annual plans: 14-day free trial
During the trial period, you have full access to every Premium feature, including Galen AI, web dashboards, CSV imports, and advanced analytics. If you cancel before the trial ends, you will not be charged.
What Happens If You Downgrade
If you decide to return to the free tier after using Premium, your data is never deleted. You retain access to your most recent 3 months of data on the free tier. All historical data beyond that window is preserved on our servers and becomes accessible again immediately if you upgrade in the future.
You can upgrade or downgrade at any time through the app under Settings > Subscription.